US Bridges

Otter Rd. over Br. Mud Creek

Good

Ogle County, Illinois · 4.0 N.W. Leaf River · Structure no. 071306900000000

Built
1960
65 years old
Condition
Good
inspected August 2023
Type
Channel Beam
Concrete
Length
36 ft
1 main span
Daily traffic
50
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Otter Rd. over Br. Mud Creek is a concrete channel beam carrying Otter Rd. over Br. Mud Creek in Ogle County, Illinois. It was built in 1960, so it is 65 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 52 by 2046. The structure is 36 ft (11 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOtter Rd.
CrossesBr. Mud Creek
Location4.0 N.W. Leaf River
RouteCounty Highway 0
Coordinates42.17046, -89.45202
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2017)
Projected traffic52 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Otter Rd. over Br. Mud Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Otter Rd. over Br. Mud Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Otter Rd. over Br. Mud Creek carry?

About 50 vehicles per day (2017 count).

How long is Otter Rd. over Br. Mud Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns Otter Rd. over Br. Mud Creek?

It is owned by the Town or Township Highway Agency.